OpenTechnical

OT-2026-000104012

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000104012) never changes.

Identity and time

Publication numberOT-2026-000104012 · never reused
Internal UUID01a0aea5-15e8-7890-a8db-72db59c64139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104012
StatusPUBLIC

Content hashes

Canonical textd7a1950cdd1becf4637ace5512b9c662457c53ae247b71ed28747eb8fdafd97e
Markdown37bfe6ec1e0761ad69681b20298924ce1f514ecdd4714246f00f788ac2760aae
PDF
Publication page554c2ccd899eb707074827ab8d8e52ca02bd54205e3f257bb9560f552f810b87
Manifest1fe03b69c113449510cbae62e5e05ee2109bb53ee7e6157ceebe5a5f01769939

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCQpWJHcAdl1ErZqU0uog7u7R6sfghxOr+3+2HJjlJ2EpoddK33wKeqsp4FlpjJX/7WSpWEbQTLZLyVEM4dJKAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:01.472682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104012
observed 554c2ccd899eb707074827ab8d8e52ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.456118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104012/manifest.json
observed 1fe03b69c113449510cbae62e5e05ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.440052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104012/publication.md
observed 37bfe6ec1e0761ad69681b20298924ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.421904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104012/publication.txt
observed d7a1950cdd1becf4637ace5512b9c662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.